onlineskolen.dk

📜 Historical scan 2026-10-07 22:38:11  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onlineskolen.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 9 June 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.254.168.193 is hosted by Aarhus Business College (AS51073) in Denmark. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   358ms
NameserverIP addressesPTRASN / ISP
ns.efif.dk 195.254.168.23 ns.efif.dk AS51073 Aarhus Business College
ns2.efif.dk 195.254.168.12 ns2.efif.dk AS51073 Aarhus Business College
ns3.efif.dk 20.23.170.35 — AS8075 Microsoft Corporation

🌍 A Records#

1 records   305ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.254.168.193 3600s — AS51073 Aarhus Business College 195.254.168.0/23 🇩🇰 Denmark Aarhus

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   591ms
TXT Record
@ventures

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 18:52:07
www CNAMEak-ven-web-02.efif.dk (all on efif.dk)
www vs bare domainwww does not resolve
onlineskolen.dk: 195.254.168.193 (AS51073)
www.onlineskolen.dk: no address
(all like this)
WildcardNo
Denial of existenceNSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

485ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

515ms
FieldValue
Serial2011070616
Primary NS (MNAME)ns.efif.dk
Responsible (RNAME)dns-zc@efif.dk
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-07 22:56:30
FieldValue
RegistrarAarhus Business College
Registered1999-06-09
Expires2027-06-30 (251d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
358ms
A
305ms
MX
372ms
AAAA
276ms
TXT
591ms
CAA
328ms
HTTPS
355ms
TLSA
178ms
SOA
515ms
MTA-STS
399ms
DNSSEC
485ms
SRV
362ms
Total
2681ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 18:52:07 710ms 3 NS 1 A 0 MX 🔒 Secure
2026-10-16 17:34:17 393ms 3 NS 1 A 0 MX 🔒 Secure
2026-10-15 17:29:20 4337ms 3 NS 1 A 0 MX 🔒 Secure
2026-10-08 22:42:07 748ms 3 NS 1 A 0 MX 🔒 Secure
2026-10-07 22:38:11 shown 2681ms 3 NS 1 A 0 MX 🔒 Secure
2026-10-02 19:08:13 3069ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-29 18:40:07 1136ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-27 18:15:41 3939ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-23 17:16:50 417ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-17 03:50:24 13195ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-17 02:32:01 3262ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-12 02:45:39 6875ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-05 02:04:13 514ms 3 NS 1 A 0 MX 🔒 Secure
2026-09-04 00:45:45 446ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-30 16:33:06 1950ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-26 22:19:22 411ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-24 22:19:30 2463ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-18 20:20:27 5527ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-12 17:26:04 3688ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-09 18:14:01 3833ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-08 01:19:28 4519ms 3 NS 1 A 0 MX 🔒 Secure
2026-08-01 21:10:03 4615ms 3 NS 1 A 0 MX 🔒 Secure
2026-07-26 16:55:07 2420ms 3 NS 1 A 0 MX 🔒 Secure
2026-07-24 16:08:52 2301ms 3 NS 1 A 0 MX 🔒 Secure
2026-07-21 04:28:12 11924ms 3 NS 1 A 0 MX 🔒 Secure
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